JPH033093U - - Google Patents
Info
- Publication number
- JPH033093U JPH033093U JP6063089U JP6063089U JPH033093U JP H033093 U JPH033093 U JP H033093U JP 6063089 U JP6063089 U JP 6063089U JP 6063089 U JP6063089 U JP 6063089U JP H033093 U JPH033093 U JP H033093U
- Authority
- JP
- Japan
- Prior art keywords
- light
- smoke
- optical fiber
- emitting element
- light emitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000779 smoke Substances 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案の一実施例の構成図、第２図は
光学系の配設位置を異ならせた場合の構成図、第
３図は他の実施例の構成図、第４図は従来例の構
成図、第５図は他の従来例の構成図である。
３……カバー、４……煙導入部、５……発光素
子、６……受光素子、９……光フアイバ、１１…
…遮光装置、１２……減光装置である。
Fig. 1 is a block diagram of one embodiment of the present invention, Fig. 2 is a block diagram of a case where the optical system is arranged in a different position, Fig. 3 is a block diagram of another embodiment, and Fig. 4 is a conventional block diagram. FIG. 5 is a block diagram of another conventional example. 3... Cover, 4... Smoke introduction part, 5... Light emitting element, 6... Light receiving element, 9... Optical fiber, 11...
. . . shading device, 12 . . . dimmer device.
Claims (1)
光を投光すると共に、この煙導入部に投光された
光の煙による散乱光を受光素子で受光して煙を感
知する煙感知器において、上記発光素子及び受光
素子と煙導入部との間の光の授受を光フアイバを
用いて行つて成る煙感知器。 (2) 上記光フアイバにより導光される光を遮光
する遮光装置と、発光素子の光フアイバにより導
光される光を減光する減光装置とを備えた請求項
１記載の煙感知器。[Scope of Claim for Utility Model Registration] (1) A light emitting element projects light into a smoke introducing section into which smoke is introduced, and a light receiving element receives light scattered by the smoke from the light projected into the smoke introducing section. A smoke detector that detects smoke by using an optical fiber to transmit and receive light between the light emitting element and the light receiving element and the smoke introduction part. (2) The smoke detector according to claim 1, further comprising: a light blocking device that blocks the light guided by the optical fiber; and a dimming device that reduces the light guided by the optical fiber of the light emitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6063089U JPH033093U (en) | 1989-05-25 | 1989-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6063089U JPH033093U (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033093U true JPH033093U (en) | 1991-01-14 |
Family
ID=31588164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6063089U Pending JPH033093U (en) | 1989-05-25 | 1989-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033093U (en) |
-
1989
- 1989-05-25 JP JP6063089U patent/JPH033093U/ja active Pending
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